package min.chapter.three;

abstract class ListFilter {
	public abstract void print();
}
class DaoFilter extends ListFilter {
	@Override
	public void print(){
		System.out.println("DAO Filter is Good");
	}
}

class ZipFilter extends ListFilter {
	@Override
	public void print(){
		System.out.println("Zip Filter is Good");
	}
}
